gallium: basic and initial implementation of the stream output interface

aka transform feedback

1 files changed, 6 insertions, 0 deletions

diff --git a/src/gallium/auxiliary/draw/draw_private.h b/src/gallium/auxiliary/draw/draw_private.h
index a2bfb693c0..ca8f9cfab1 100644
--- a/src/gallium/auxiliary/draw/draw_private.h
+++ b/src/gallium/auxiliary/draw/draw_private.h
@@ -235,6 +235,12 @@ struct draw_context
       struct tgsi_sampler **samplers;
    } gs;
 
+   struct {
+      struct pipe_stream_output_state state;
+      void *buffers[PIPE_MAX_SO_BUFFERS];
+      uint num_buffers;
+   } so;
+
    /* Clip derived state:
     */
    float plane[12][4];